/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
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 * Version 2] license."  If you don't indicate a single choice of license, a
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 */

import org.xml.sax.XMLReader;
import primer.PurchaseOrderType;
import primer.PurchaseOrders;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import javax.xml.parsers.SAXParserFactory;
import java.io.File;

/*
 * @(#)$Id: Main.java,v 1.1.2.2 2007/05/31 22:00:46 ofung Exp $
 */

public class Main {
    public static void main( String[] args ) throws Exception {
        
        // create JAXBContext for the primer.xsd
        JAXBContext context = JAXBContext.newInstance("primer");

        Unmarshaller unmarshaller = context.createUnmarshaller();

        // purchase order notification callback
        final PurchaseOrders.Listener orderListener = new PurchaseOrders.Listener() {
            public void handlePurchaseOrder(PurchaseOrders purchaseOrders, PurchaseOrderType purchaseOrder) {
                System.out.println("this order will be shipped to "
                        + purchaseOrder.getShipTo().getName());
            }
        };

        // install the callback on all PurchaseOrders instances
        unmarshaller.setListener(new Unmarshaller.Listener() {
            public void beforeUnmarshal(Object target, Object parent) {
                if(target instanceof PurchaseOrders) {
                    ((PurchaseOrders)target).setPurchaseOrderListener(orderListener);
                }
            }

            public void afterUnmarshal(Object target, Object parent) {
                if(target instanceof PurchaseOrders) {
                    ((PurchaseOrders)target).setPurchaseOrderListener(null);
                }
            }
        });

        // create a new XML parser
        SAXParserFactory factory = SAXParserFactory.newInstance();
        factory.setNamespaceAware(true);
        XMLReader reader = factory.newSAXParser().getXMLReader();
        reader.setContentHandler(unmarshaller.getUnmarshallerHandler());

        for (String arg : args) {
            // parse all the documents specified via the command line.
            // note that XMLReader expects an URL, not a file name.
            // so we need conversion.
            reader.parse(new File(arg).toURI().toString());
        }
    }
}
